Open Address Ninja from the Apps section in your Shopify admin. On the welcome screen, click Prevent Missing Apartment, Suite, etc. Numbers. Select the countries you want to target, then click Activate. You can update the error message if needed. For best results, make Address Line 2 required in your Shopify checkout settings.
Originally from our Help Center
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Read article →In your Shopify admin, go to Apps and open Address Ninja. Click ZIP / Postal Code Block.
Read article →From your Shopify admin, open Address Ninja and click ZIP / Postal Code Format Validation. Search and add the countries where you want to enforce proper ZIP / postal code formatting.
Read article →No. There is no way to bypass validation for specific regions or customers at this time.
Read article →Not right now. Phone number validation isn’t available yet, but it’s on our list of requested features.
Read article →Browse our apps on the Shopify App Store. Free to try.
Install from App Store